PTC Resettable Fuses

Manufacturer Package/Case Series Packaging Product Status Type Voltage - Max Current - Hold (Ih) (Max) Current - Trip (It) Current - Max Time to Trip Resistance - Initial (Ri) (Min) Resistance - Post Trip (R1) (Max) Resistance - 25°C (Typ) Operating Temperature Grade Qualification Ratings Mounting Type Size / Dimension Height - Seated (Max) Thickness (Max) Lead Spacing






















































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































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Photo Mfr. Part # Availability Price Quantity Datasheet Package/Case Series Packaging Product Status Type Voltage - Max Current - Hold (Ih) (Max) Current - Trip (It) Current - Max Time to Trip Resistance - Initial (Ri) (Min) Resistance - Post Trip (R1) (Max) Resistance - 25°C (Typ) Operating Temperature Grade Qualification Ratings Mounting Type Size / Dimension Height - Seated (Max) Thickness (Max) Lead Spacing
TRF250-120-2 Littelfuse Inc.

TRF250-120-2

PTC RESET FUSE 60V 120MA RADIAL

Littelfuse Inc.

2,842
RFQ
TRF250-120-2 Datasheet

Datasheet

Radial, Disc PolySwitch®, TRF250 Tape & Reel (TR) Active Polymeric 60V (250V Int) 120 mA 240 mA 3 A 2.5 s 4 Ohms 16 Ohms - -40°C ~ 85°C - - - Through Hole 0.256" L x 0.181" W (6.50mm x 4.60mm) 0.433" (11.00mm) - 0.197" (5.00mm)
MF-SMDF100/33X-2 Bourns Inc.

MF-SMDF100/33X-2

PTC RESETTABLE 1.1A 33V SMD 2018

Bourns Inc.

2,643
RFQ
MF-SMDF100/33X-2 Datasheet

Datasheet

2018 (5045 Metric), Concave Multifuse®, MF-SMDF Tape & Reel (TR) Active Polymeric 33V 1.1 A 2.2 A 40 A 500 ms 60 mOhms 400 mOhms - -40°C ~ 85°C - - - Surface Mount 0.200" L x 0.180" W (5.08mm x 4.58mm) - 0.049" (1.25mm) -
0ZTJ0020FF2E Bel Fuse Inc.

0ZTJ0020FF2E

PTC RESET FUSE 30V 200MA 1206

Bel Fuse Inc.

1,567
RFQ
0ZTJ0020FF2E Datasheet

Datasheet

1206 (3216 Metric), Concave 0ZTJ Tape & Reel (TR) Active Polymeric 30V 200 mA 500 mA 10 A 100 ms 600 mOhms 4.5 Ohms - -40°C ~ 125°C Automotive AEC-Q200 - Surface Mount 0.128" L x 0.065" W (3.25mm x 1.65mm) - 0.043" (1.10mm) -
PICOASMDC012S-2 Littelfuse Inc.

PICOASMDC012S-2

PTC RESET FUSE 15V 120MA 0805

Littelfuse Inc.

3,201
RFQ
PICOASMDC012S-2 Datasheet

Datasheet

0805 (2012 Metric) PolySwitch®, picoASMDC Tape & Reel (TR) Active Polymeric 15V 120 mA 300 mA 20 A 100 ms 1.5 Ohms 9 Ohms - - Automotive AEC-Q200 - Surface Mount 0.083" L x 0.055" W (2.10mm x 1.40mm) - 0.027" (0.68mm) -
RGEF900 Littelfuse Inc.

RGEF900

PTC RESET FUSE 16V 9A RADIAL

Littelfuse Inc.

1,460
RFQ
RGEF900 Datasheet

Datasheet

Radial, Disc PolySwitch®, RGEF Bag Active Polymeric 16V 9 A 15.3 A 100 A 5.5 s 4.7 mOhms 13.5 mOhms - -40°C ~ 85°C - - - Through Hole 0.531" L x 0.100" W (13.50mm x 2.50mm) 0.854" (21.70mm) - 0.199" (5.05mm)
RUEF500-2 Littelfuse Inc.

RUEF500-2

PTC RESET FUSE 30V 5A RADIAL

Littelfuse Inc.

8,867
RFQ
RUEF500-2 Datasheet

Datasheet

Radial, Disc PolySwitch®, RUEF Tape & Reel (TR) Active Polymeric 30V 5 A 10 A 100 A 14.5 s 10 mOhms 50 mOhms - -40°C ~ 85°C - - - Through Hole 0.551" L x 0.120" W (14.00mm x 3.00mm) 0.949" (24.10mm) - 0.400" (10.15mm)
ASMD050F-2 Littelfuse Inc.

ASMD050F-2

PTC RESET FUSE 60V 370MA 2SMD

Littelfuse Inc.

2,429
RFQ
ASMD050F-2 Datasheet

Datasheet

2-SMD PolySwitch®, ASMD Tape & Reel (TR) Active Polymeric 60V 370 mA 980 mA 10 A 20 s 290 mOhms 1.4 Ohms - -40°C ~ 85°C Automotive AEC-Q200 - Surface Mount 0.290" L x 0.202" W (7.36mm x 5.12mm) - 0.125" (3.18mm) -
2920L600/12MR Littelfuse Inc.

2920L600/12MR

PTC RESET FUSE 12V 6A 2920

Littelfuse Inc.

95,626
RFQ
2920L600/12MR Datasheet

Datasheet

2920 (7351 Metric), Concave POLY-FUSE®, 2920L Tape & Reel (TR) Active Polymeric 12V 6 A 12 A 50 A 2 s 4 mOhms 20 mOhms - -40°C ~ 85°C - - - Surface Mount 0.290" L x 0.202" W (7.36mm x 5.12mm) - 0.063" (1.60mm) -
LVR040K-2 Littelfuse Inc.

LVR040K-2

PTC RESET FUSE 240V 400MA RADIAL

Littelfuse Inc.

7,688
RFQ
LVR040K-2 Datasheet

Datasheet

Radial, Disc PolySwitch®, LVR Tape & Reel (TR) Active Polymeric 240V (265V Int) 400 mA 900 mA 5.5 A 24 s 600 mOhms 1.9 Ohms - -20°C ~ 85°C - - - Through Hole 0.453" L x 0.150" W (11.50mm x 3.80mm) 0.823" (20.90mm) - 0.200" (5.08mm)
0ZRM0110FF1E Bel Fuse Inc.

0ZRM0110FF1E

PTC RESET FUSE 120V 1.1A RADIAL

Bel Fuse Inc.

3,657
RFQ
0ZRM0110FF1E Datasheet

Datasheet

Radial, Disc 0ZRM Box Active Polymeric 120V 1.1 A 2.2 A 8 A 8.2 s 150 mOhms 380 mOhms - -40°C ~ 85°C Automotive AEC-Q200 - Through Hole 0.524" Dia x 0.161" T (13.30mm x 4.10mm) 0.720" (18.30mm) - 0.201" (5.10mm)
RKEF400 Littelfuse Inc.

RKEF400

PTC RESET FUSE 60V 4A RADIAL

Littelfuse Inc.

5,526
RFQ
RKEF400 Datasheet

Datasheet

Radial, Disc PolySwitch®, RKEF Bag Active Polymeric 60V 4 A 8 A 40 A 24 s 14 mOhms 60 mOhms - -40°C ~ 85°C - - - Through Hole 0.827" L x 0.118" W (21.00mm x 3.00mm) 0.980" (24.90mm) - 0.400" (10.15mm)
2920L600/16MR Littelfuse Inc.

2920L600/16MR

PTC RESET FUSE 16V 6.0A 2920

Littelfuse Inc.

4,026
RFQ
2920L600/16MR Datasheet

Datasheet

2920 (7351 Metric), Concave POLY-FUSE®, 2920L Tape & Reel (TR) Active Polymeric 16V 6 A 12 A 40 A 2 s 4 mOhms 20 mOhms - -40°C ~ 85°C - - - Surface Mount 0.290" L x 0.202" W (7.36mm x 5.12mm) - 0.063" (1.60mm) -
MF-R250-2 Bourns Inc.

MF-R250-2

PTC RESET FUSE 30V 2.5A RADIAL

Bourns Inc.

2,505
RFQ
MF-R250-2 Datasheet

Datasheet

Radial, Disc Multifuse®, MF-R Tape & Reel (TR) Active Polymeric 30V 2.5 A 5 A 40 A 10.3 s 25 mOhms 70 mOhms - -40°C ~ 85°C - - - Through Hole 0.472" L x 0.118" W (12.00mm x 3.00mm) 0.720" (18.30mm) - 0.201" (5.10mm)
30R400UF Littelfuse Inc.

30R400UF

PTC RESET FUSE 30V 4A RADIAL

Littelfuse Inc.

1,921
RFQ
30R400UF Datasheet

Datasheet

Radial, Disc POLY-FUSE®, 30R Bulk Active Polymeric 30V 4 A 8 A 40 A 12.7 s 10 mOhms 50 mOhms - -40°C ~ 85°C - - - Through Hole 0.551" L x 0.118" W (14.00mm x 3.00mm) 0.866" (22.00mm) - 0.201" (5.10mm)
0ZRP0500FF2A Bel Fuse Inc.

0ZRP0500FF2A

PTC RESET FUSE 60V 5A RADIAL

Bel Fuse Inc.

21,862
RFQ
0ZRP0500FF2A Datasheet

Datasheet

Radial, Disc 0ZRP Tape & Reel (TR) Active Polymeric 60V 5 A 10 A 40 A 28 s 12 mOhms 50 mOhms - -40°C ~ 85°C Automotive AEC-Q200 - Through Hole 0.949" L x 0.118" W (24.10mm x 3.00mm) 1.142" (29.00mm) - 0.402" (10.20mm)
B59980C0120A070 EPCOS - TDK Electronics

B59980C0120A070

PTC RESET FUSE 80V 85MA RADIAL

EPCOS - TDK Electronics

14,964
RFQ
B59980C0120A070 Datasheet

Datasheet

Radial, Disc B59980 Bulk Active Ceramic 80V 85 mA 170 mA 1 A - - - 25 Ohms -40°C ~ 125°C - - - Through Hole 0.256" Dia x 0.138" T (6.50mm x 3.50mm) 0.394" (10.00mm) - 0.197" (5.00mm)
PTCTL4MR500SBE Vishay Beyschlag/Draloric/BC Components

PTCTL4MR500SBE

PTC RESET FUSE 600V 50MA RADIAL

Vishay Beyschlag/Draloric/BC Components

9,827
RFQ
PTCTL4MR500SBE Datasheet

Datasheet

Radial, Disc - Bulk Active Ceramic 600V 50 mA 140 mA 1 A 1 s - - 50 Ohms 0°C ~ 70°C - - - Through Hole 0.315" Dia x 0.157" T (8.00mm x 4.00mm) 0.453" (11.50mm) - 0.197" (5.00mm)
30R300UPR Littelfuse Inc.

30R300UPR

PTC RESET FUSE 30V 3A RADIAL

Littelfuse Inc.

3,828
RFQ
30R300UPR Datasheet

Datasheet

Radial, Disc POLY-FUSE®, 30R Cut Tape (CT) Active Polymeric 30V 3 A 6 A 40 A 10.8 s 20 mOhms 80 mOhms - -40°C ~ 85°C - - - Through Hole 0.449" L x 0.118" W (11.40mm x 3.00mm) 0.756" (19.20mm) - 0.201" (5.10mm)
0603L008YR Littelfuse Inc.

0603L008YR

POLYSWITCH RESETTABLE PPTC

Littelfuse Inc.

3,782
RFQ
0603L008YR Datasheet

Datasheet

0603 (1608 Metric), Concave POLY-FUSE®, 0603L Tape & Reel (TR) Active Polymeric 15V 80 mA 200 mA 40 A 1 s 2.5 Ohms 12 Ohms - -40°C ~ 85°C - - - Surface Mount 0.063" L x 0.031" W (1.60mm x 0.80mm) - 0.024" (0.60mm) -
250S130-RADR Littelfuse Inc.

250S130-RADR

PTC RESET FUSE 60V 130MA 2SMD

Littelfuse Inc.

3,538
RFQ
250S130-RADR Datasheet

Datasheet

2-SMD POLY-FUSE®, 250S Tape & Reel (TR) Active Polymeric 60V (250V Int) 130 mA 260 mA 3 A 1.4 s 6.5 Ohms 15 Ohms - -40°C ~ 85°C - - - Surface Mount 0.370" L x 0.291" W (9.40mm x 7.40mm) - 0.146" (3.70mm) -
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PTC Resettable Fuses Electronic Components Sourcing and Lifecycle Support

FPGAX is a global sourcing partner specializing in FPGA and programmable logic solutions for engineering and manufacturing organizations worldwide. For customers sourcing PTC Resettable Fuses components, we support both current production requirements and long-term component availability across demanding product lifecycles.

Our sourcing approach combines traceability, supply stability, and technical coordination. FPGAX is certified to AS9120B, ISO 9001:2008, and ISO 14001 standards and supports procurement programs where continuity, documentation, and dependable component supply are important.

How FPGAX Supports PTC Resettable Fuses Requirements

  • Active component sourcing: support for current FPGA, programmable logic, and related semiconductor requirements.
  • End-of-life sourcing: assistance with obsolete and hard-to-find parts when designs must remain in production.
  • Lifecycle management: sourcing support during product transitions, allocation periods, and supply interruptions.
  • Design continuity: long-term supply support intended to reduce redesign pressure and production disruption.
  • Major programmable logic brands: sourcing coverage includes Xilinx, Intel/Altera, Lattice, Microchip, and QuickLogic.

Supply Support at a Glance

Requirement FPGAX Support
Current production Active FPGA, programmable logic, and semiconductor component sourcing
Legacy programs End-of-life and hard-to-find component sourcing
Supply continuity Lifecycle transition and long-term availability support
Quality requirements Traceable sourcing and quality-management processes

Focused on FPGA and Programmable Logic Supply

FPGAX focuses on helping customers maintain access to critical programmable devices throughout the full component lifecycle. Whether the requirement is for a current design, an established production program, or an older platform facing component obsolescence, our goal is to provide a stable sourcing path and help customers maintain design and manufacturing continuity.

PTC Resettable Fuses FAQ

Can FPGAX source both active and end-of-life PTC Resettable Fuses components?

Yes. FPGAX supports sourcing for both active components and end-of-life or hard-to-find parts, with an emphasis on maintaining supply continuity for engineering and manufacturing programs.

Which programmable logic manufacturers does FPGAX support?

Our core sourcing coverage includes major FPGA and programmable logic manufacturers such as Xilinx, Intel/Altera, Lattice, Microchip, and QuickLogic, subject to specific part requirements and availability.

How does FPGAX help with component lifecycle changes?

We support customers through lifecycle transitions by helping locate current or legacy supply, reducing exposure to supply disruptions, and supporting long-term availability for designs that need to remain in production.

What quality and traceability standards does FPGAX follow?

FPGAX states certification to AS9120B, ISO 9001:2008, and ISO 14001 standards. Our sourcing services are structured around traceability, stable supply, and quality-management requirements.

What information should I provide for a PTC Resettable Fuses sourcing request?

Providing the manufacturer part number, required quantity, target delivery schedule, and any lifecycle or traceability requirements helps us evaluate the sourcing request more efficiently.